Terminal 5-6: Power Supply - Type Px (Default); Terminal 7-8: Alarm Output - Type Ot; Terminal 9-10: Power Supply Backlight - Type Zb (Option); Fig. 15: Terminal Connections - Passive Transistor Output (Type Ot) - Fluidwell F Series Manual

4.6.2

TERMINAL 5-6: POWER SUPPLY - TYPE PX (DEFAULT)

To power the F073-T an internal battery can be used (type PB) and / or an external DC power
supply of 8-30V DC (type PX). Connect the "-" to terminal 5 and the "+" to terminal 6.
When power is applied to these terminals, the optional internal battery will be disabled / enabled
automatically to extend the battery life time.
4.6.3

TERMINAL 7-8: ALARM OUTPUT - TYPE OT

With SETUP 3.6 the function of this output is set to a low and / or high level alarm output.
A passive transistor output is available with this option. Max. driving capacity 300mA@50V DC.

Fig. 15: Terminal connections - Passive transistor output (Type OT).

4.6.4

TERMINAL 9-10: POWER SUPPLY BACKLIGHT - TYPE ZB (OPTION)

To power the backlight, a voltage in the range 20-30V DC has to be connected.
Maximum current 30mA. Connect the "-" to terminal 9 and the "+" to terminal 10.

Fig. 16: Terminal connections - Backlight (ZB).

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